Drpoh

# Print popup message
# Say(message, seconds)
Say()
{
    kdialog --passivepopup "$1" ${2:-3}
}

# Ping server until it wakes up
# Connect([site="www.yandex.ru"
#         [, count=1
#         [, interval=3
#         [, message="connected"]]]])
Connect()
{
    local site="www.yandex.ru"
    local count=1
    local interval=3
    local message="connected"

    [ "$1" = "--help" ] && {
        echo "usage: $FUNCNAME [site[, count[, interval[, message]]]]"
        echo "       $FUNCNAME $site $count $interval $message"
        return 1
    } 1>&2
    [ -n "$1" ] && site="$1"
    [ -n "$2" ] && count="$2"
    [ -n "$3" ] && interval="$3"
    [ -n "$4" ] && message="$4"

    while ! ping -c $count "$site"; do
        sleep $interval;
    done
    Say "$message"
}

# Download YouTube video in selected format
# Ytf(url, ofile[, fmt=18])
Ytf()
{
    [ $# -eq 0 -o "$1" = "--help" ] && {
        echo "usage: $FUNCNAME url ofile [fmtn=18]"
        echo "       $FUNCNAME http://youtube 12345.flv"
        echo "       $FUNCNAME http://youtube 12345.flv 19"
        return 1
    } 1>&2
    n=${3:-18}
    youtube-dl -c -f "$n" "$1" -o "$2"
}

# Check access to url like a browser
# SpiderB(url[, agent])
SpiderB()
{
    agent=${2:-Wget}
    wget --spider --user-agent="$agent" "$1"
}